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A483 Llandeilo and Ffairfach Bypass Project

Llywodraeth Cymru / Welsh Government · Central government

In brief

Llywodraeth Cymru / Welsh Government was looking for suppliers for construction and architecture and engineering work. Bidding has closed and no award has been published yet.

The estimated value is £80,000,000 excluding VAT.

The contract runs for 128 months, up to 153 months with extensions, starting 1 April 2027.

The buyer says it is suitable for small and medium-sized businesses.

Built from the notice's own fields. Always check the official notice before you bid.

What the notice says

This procurement relates to the award of a contract for the design development of the A483 Llandeilo and Ffairfach bypass project, and the provision of assistance with relevant statutory procedures. Subject to the outcome of the statutory procedures and the performance of the Contractor, the contract provides for the Contractor to be appointed to undertake detailed design and construction of the works. This Tender Notice signifies the start of the procurement exercise and uses the Competitive Flexible Procedure (CFP) under the Procurement Act 2023.

Timeline

  1. Preliminary market engagement notice · UK2, notice 064836-2025
  2. Preliminary market engagement notice · UK2, notice 073320-2026
  3. Tender notice · UK4, notice 079893-2026

Last time this was bought

A483 Llandeilo and Ffairfach Employer's Agent and Professional Services

Awarded
23 June 2025
Value
Not stated, or split across lots
Bids
4

Matched on Llywodraeth Cymru / Welsh Government, the type of work and the title; it may be a related contract rather than the same one. Check the notice to be sure.

About the buyer

Llywodraeth Cymru / Welsh GovernmentLast 12 months

Procurements

195

Awards

123

Suppliers it has used most for construction

All tenders and awards from Llywodraeth Cymru / Welsh Government

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From notice 064836-2025 on Find a Tender, first published 13 October 2025, last updated 21 August 2026. We last checked for changes on 28 September 2026.